One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,3)(9,10,13,11)(12,15,16,14)(17,18)(19,24)(20,30)(21,25)(22,26)(23,27)(28,29)(31,32)(6,8)(10,11)(14,15)(17,19,23,20)(18,24,27,30)(21,31,26,28)(22,29,25,32)(5,6)(7,8)(10,11)(14,15)(17,20,23,19)(18,24,27,30)(21,31,26,28)(22,32,25,29)(1,2,4,3)(9,11,13,10)(12,15,16,14)(17,21,23,26)(18,25,27,22)(19,28,20,31)(24,29,30,32)(1,3,4,2)(9,12)(10,14)(11,15)(13,16)(17,22,23,25)(18,26,27,21)(19,29,20,32)(24,28,30,31)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.